I miss certain things from the 90's, but not all of the 90's.
The cartoons and shows, definately. The rest, not so much.
I don't think humanity's gone mad - humanity never had it in the first place. History may tell us otherwise, but history can always be manipulated by those with power thus rendering our perception inaccurate.
No, I think a far more apt statement would be that humanity still hasn't found it's way yet.
I can't speak for the world, but you know things are wrong when journalism starts getting their information from The Onion and The Daily Show.